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Date:	Thu, 6 Jun 2013 19:27:50 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: resuming backgrounded job causes hang (Cygwin 1.7.19 / Dothan 1.7GHz)
Message-ID:	<20130606172750.GF13320@calimero.vinschen.de>
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On Jun  6 18:53, Seb.Th wrote:
> Le 06/06/2013 17:52, Corinna Vinschen a écrit :
> 
> >Ok, I found the reason for this behaviour.  There was a potential
> >starvation problem which really only got hold on single-CPU/single
> >core systems.  Two threads were locking a mutex and waiting for each
> >other.  The one thread which could have resolved the problem never got
> >CPU time due to the locking mechanism and an extremly tight window in
> >which the other thread unlocked the mutex.
> >
> >I fixed the problem in CVS and I've just created a new 2013-06-06 32 bit
> >developer snapshot, which you can find on http://cygwin.com/snapshots/,
> >as well as a 64 bit DLL 1.7.20-1 which I uploaded as part of the 64 bit
> >test distro.
> >
> >Please test and send feedback.
> 
> 
> 2013-06-06 32 bit snapshot successfully tested here (Win XP SP3).
> mc, lftp, bash scripts subshell : OK.
> All went fine, no more freeze.
> 
> Many thanks !

Thanks for the feedback!


Corinna

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Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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